Message-Id: <
20050510144101.GA21362@mccoy.peters.homeunix.org>
p4raw-id: //depot/perl@24437
concatenated with the identifier is returned. Otherwise, if the string
starts with a plus or minus, a string starting with the opposite sign
is returned. One effect of these rules is that -bareword is equivalent
-to "-bareword".
+to the string "-bareword".
Unary "~" performs bitwise negation, i.e., 1's complement. For
example, C<0666 & ~027> is 0640. (See also L<Integer Arithmetic> and